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Dennis_Churaev [7]
3 years ago
13

The freezing point of water is 32°F. When water is at or below this temperature, it is in solid form. Which statements are true

about the inequality that represents the temperatures at which water is in solid form, and its graph? Check all that apply. The number 32 is part of the solution set. The circle on the graph is open. The circle on the graph is closed. The arrow on the graph points to the left. The arrow on the graph points to the right.
Mathematics
2 answers:
mamaluj [8]3 years ago
8 0

Answer:

The number 32 is part of the solution set

The circle on the graph is closed

The arrow on the graph points to the left

Step-by-step explanation:

The number 32 is part of the solution because it said that water freezes at 32 degrees when it is at or below 32

The circle on the graph is closed because 32 is part of the answer , when the solution is showed then the circle is closed.

Last but not least the arrow on the graph points left because water freezes when it is at 32 or below 32 degrees, so when it points left the numbers become lower.

Hope this helped! :)

ANEK [815]3 years ago
4 0

Answer:

A C D YOUR Walcom

Step-by-step explanation:

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Ben consumes an energy drink that contains caffeine. After consuming the energy drink, the amount of caffeine in Ben's body decr
Airida [17]

Answer:

The 5-hour decay factor for the number of mg of caffeine in Ben's body is of 0.1469.

Step-by-step explanation:

After consuming the energy drink, the amount of caffeine in Ben's body decreases exponentially.

This means that the amount of caffeine after t hours is given by:

A(t) = A(0)e^{-kt}

In which A(0) is the initial amount and k is the decay rate, as a decimal.

The 10-hour decay factor for the number of mg of caffeine in Ben's body is 0.2722.

1 - 0.2722 = 0.7278, thus, A(10) = 0.7278A(0). We use this to find k.

A(t) = A(0)e^{-kt}

0.7278A(0) = A(0)e^{-10k}

e^{-10k} = 0.7278

\ln{e^{-10k}} = \ln{0.7278}

-10k = \ln{0.7278}

k = -\frac{\ln{0.7278}}{10}

k = 0.03177289938


Then

A(t) = A(0)e^{-0.03177289938t}

What is the 5-hour growth/decay factor for the number of mg of caffeine in Ben's body?

We have to find find A(5), as a function of A(0). So

A(5) = A(0)e^{-0.03177289938*5}

A(5) = 0.8531

The decay factor is:

1 - 0.8531 = 0.1469

The 5-hour decay factor for the number of mg of caffeine in Ben's body is of 0.1469.

7 0
3 years ago
A figurine of a lighthouse is shown. if the actual lighthouse is 30feet wide, how tall is the lighthouse
r-ruslan [8.4K]

Answer:

30× 60 ( 3×2= 6 + tens= 60 )= minimum- 180 fery

6 0
3 years ago
Please help me i don’t understand this.
Sveta_85 [38]

Answer:

3x6

(3)(6)

6+6+6

for represent the situation

Step-by-step explanation:

the dining room has 3 tables

and at each table there are 6 chairs so multiplication is the operation to use to find the total

therefore the other operations do not represent the situation

but 6+6+6 represents because it is also equal to 18

5 0
3 years ago
Quadratic equation <br> 4x2 + 6x = 0
In-s [12.5K]

Answer:

x = -4 / 3

Step-by-step explanation:

step 1. simplify 4x2 to 8

8+6x=0

step 2. subtract 8 from both sides.

6x = -8

step 3. divide in both sides by 6.

x = - 8 / 6

step 4. simplify 8/6 to 4/3.

x = -4 / 3

4 0
3 years ago
devon writes a number pattern. he starts wit 3 and follows the rules. multiply by 2. which numbers could be in devons pattern? A
Pie

Answer:

C. 24 and 96

Step-by-step explanation:

He starts with 3 and follows the rules. multiply by 2

which numbers could be in devons pattern?

3 × 2 = 6

6 × 2 = 12

12 × 2 = 24

24 × 2 = 48

48 × 2 = 96

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The numbers that could be in Devon's pattern includes: 6, 12, 24, 48, 96, 192 etc

Therefore, the answer is C. 24 and 96

3 0
3 years ago
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